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Glossary

Text repetition glossary.

Plain-English definitions of the terms used across textrepeat.net — from separators and dynamic tokens to invisible text and Web Workers.

Text repeater
A tool that outputs a piece of text duplicated a chosen number of times, optionally with separators, numbering, and transforms.
Repetition count
How many times the input is repeated. The main tool allows up to 100,000; the character repeater up to 1,000,000.
Separator
The text placed between each repetition — a newline, space, nothing, or a custom string such as a comma or tab (\t).
Dynamic token
A placeholder like {i}, {id}, {rand}, {uuid}, {time}, or {date} replaced with a changing value on each repetition — see the mock-data guide.
Invisible text
Text made of blank-looking Unicode characters that send as real content but display as nothing. See the invisible & blank text guide.
Zero-width character
A character with no visible width, such as the zero-width space (U+200B). Often stripped by apps, unlike the Braille Pattern Blank.
Braille Pattern Blank (U+2800)
A printable Unicode character for an empty Braille cell — no visible glyph, but counts as content, making it the most reliable invisible character.
Fraktur
A blackletter typeface style, produced on the web by mapping letters to Unicode mathematical Fraktur characters so the styling survives copy-paste.
Unicode code point
A unique number assigned to a character in the Unicode standard, written like U+2800.
UTF-16 code unit
The 16-bit unit browsers use to measure string length. Many emoji are two code units, so a single emoji can count as 2 toward a character limit.
Web Worker
A background browser thread that runs JavaScript without blocking the page, so large outputs generate with a progress bar instead of freezing the tab.
Lorem Ipsum
Public-domain placeholder Latin text used to fill layouts in design mockups. See the Lorem Ipsum repeater.
Stress-test data
Text generated to an exact byte size (e.g. 1 MB) to test form fields, API payloads, and upload limits. See the stress test generator.
CSV
Comma-Separated Values, a plain-text tabular format defined by RFC 4180 where each line is a row and fields are separated by commas.
Character limit
The maximum characters an app accepts in one message or field — for example 2,000 on Discord or 4,096 on Telegram. See the FAQ.